Instrument cabinet



FIG. 1 shows a perspective front view of a first embodiment of the instrument cabinet in accordance with the invention;

FIG. 2 shows a perspective rear view of the first embodiment of the instrument cabinet of FIG. 1;

FIG. 3 shows a perspective front view of a second embodiment of the instrument cabinet in accordance with the invention;

FIG. 4 shows a perspective rear view of the second embodiment of the instrument cabinet of FIG. 3;

FIG. 5 shows a perspective front view of a third embodiment of the instrument cabinet in accordance with the invention;

FIG. 6 shows a perspective front view of a fourth embodiment of the instrument cabinet in accordance with the invention;

FIG. 7 shows a perspective rear view of a fourth embodiment of the instrument cabinet of FIG. 6; and,

FIG. 8 shows a detail plan view of the upper front control panel of all the embodiments of the claimed design. 

The ornamental design for an instrument cabinet, as shown. 